package day11;

import java.io.FileNotFoundException;
import java.io.PrintStream;

/**
 * @author oldliu
 * @since 1.0
 */
public class SystemTest {
    public static void main(String[] args) throws  Exception {
        System.setOut(new PrintStream("out.txt"));
        for(int i=1;i<=100;i++){
            System.out.println("day day up,good good study");
        }
    }
}
